Answer:
B) Any child born of parents who are able to taste PTC will inherit the ability to taste PTC.
Explanation:
The ability to taste the chemical PTC (phenylthiocarbamide) contain some people who can and some people who cannot taste PTC. Despite the fact, this trait is often considered a simple Mendelian trait, i.e.one gene-two alleles.(a simple genetic trait governed by a pair of alleles).The reason why this trait has been kept going in the population is undetermined but polymorphism may influence food selection or nutritional status.
If we have two parents that are heterozygous for this PTC traits, if the cross, they will have the following types of offspring.
Let say; dominant T for tasting and recessive t for nontasting---- i.e Tt
If Tt crosses with Tt, we have;
T t
T TT Tt
t Tt tt
From the punnet square, we have the following offspring
TT (dominant PTC taster )
2 Tt ( heterozygous PTC taster)
tt (recessive Non- taster)
From, the foregoing, we can clearly see that the incorrect statement about the inheritance of the ability to taste the chemical PTC (phenylthiocarbamide) is Any child born of parents who are able to taste PTC will inherit the ability to taste PTC. This is because from the cross, it is not all children that inherit the ability to taste PTC.
Answer:
B
Explanation:
Nearly 9,000 species are found on the islands and their surrounding waters, many of them endemic.
He pioneered a multidisciplinary approach, combining cell fractionation, biochemistry, and electron microscopy, which led to the identification of the ribosome as the site of protein synthesis and elucidated the eukaryotic secretory pathway.
The secondary structure is responsible for the shape that the nucleic acid assumes. The bases in the DNA are classified as purines and pyrimidines. ... A purine base always pairs with a pyrimidine base (guanine (G) pairs with cytosine (C) and adenine (A) pairs with thymine (T) or uracil (U)).
